On Wednesday 11 April 2012, Paul Walmsley wrote:
> +void omap1_nand_cmd_ctl(struct mtd_info *mtd, int cmd, unsigned int ctrl)
> +{
> + struct nand_chip *this = mtd->priv;
> + unsigned long mask;
> +
> + if (cmd == NAND_CMD_NONE)
> + return;
> +
> + mask = (ctrl & NAND_CLE) ? 0x02 : 0;
> + if (ctrl & NAND_ALE)
> + mask |= 0x04;
> +
> + mask |= (unsigned long)this->IO_ADDR_W;
> +
> + writeb(cmd, (void __iomem *)mask);
> +}
IO_ADDR_W is always a page aligned pointer AFAICT, so you can actually
remove both casts and make it more readable at the same time by writing
the last two lines as
writeb(cmd, this->IO_ADDR_W + mask);
Arnd
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